2002 WJ 4 liter automatic (Grand Cherokee)
 

Bill,

In my '02 WJ 4 liter automatic I have no illumination on my transmission or
transfer case shifters at night. I took the console apart a week or so ago
and where I expected to find a couple burnt out bulbs there were no bulbs.

There is, however, a thin plastic sheet with 2 electric terminals that go to
a small "black box" that then plugs into a part of the wiring harness at the
aft end of the shifter mechanism..

Is that plastic sheet the lighting unit? Is there a proper test procedure?

Thanks in advance,

-billy

2002 WJ 4 liter automatic (Grand Cherokee)
 

Bill,

In my '02 WJ 4 liter automatic I have no illumination on my transmission or
transfer case shifters at night. I took the console apart a week or so ago
and where I expected to find a couple burnt out bulbs there were no bulbs.

There is, however, a thin plastic sheet with 2 electric terminals that go to
a small "black box" that then plugs into a part of the wiring harness at the
aft end of the shifter mechanism..

Is that plastic sheet the lighting unit? Is there a proper test procedure?

Thanks in advance,

-billy

2002 WJ 4 liter automatic (Grand Cherokee)
 

Bill,

In my '02 WJ 4 liter automatic I have no illumination on my transmission or
transfer case shifters at night. I took the console apart a week or so ago
and where I expected to find a couple burnt out bulbs there were no bulbs.

There is, however, a thin plastic sheet with 2 electric terminals that go to
a small "black box" that then plugs into a part of the wiring harness at the
aft end of the shifter mechanism..

Is that plastic sheet the lighting unit? Is there a proper test procedure?

Thanks in advance,

-billy

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Billy Ray did pass the time by typing:
> Bill,
>
> In my '02 WJ 4 liter automatic I have no illumination on my transmission or
> transfer case shifters at night. I took the console apart a week or so ago
> and where I expected to find a couple burnt out bulbs there were no bulbs.
>
> There is, however, a thin plastic sheet with 2 electric terminals that go to
> a small "black box" that then plugs into a part of the wiring harness at the
> aft end of the shifter mechanism..
>
> Is that plastic sheet the lighting unit? Is there a proper test procedure?

Your describing an EL (Electro Luminescent) panel. Inside the black
box shoud be a step-up transformer. Measure at the box for 12V on the
input.

Light reading
http://www.talkingelectronics.com/Pr...itELine02.html

Not so light reading.
http://www.wjjeeps.com/gauges.htm
(although it's for the instrument panel)

Since EL is darn near indestructable I'd be checking the fuses first.

--
DougW

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Billy Ray did pass the time by typing:
> Bill,
>
> In my '02 WJ 4 liter automatic I have no illumination on my transmission or
> transfer case shifters at night. I took the console apart a week or so ago
> and where I expected to find a couple burnt out bulbs there were no bulbs.
>
> There is, however, a thin plastic sheet with 2 electric terminals that go to
> a small "black box" that then plugs into a part of the wiring harness at the
> aft end of the shifter mechanism..
>
> Is that plastic sheet the lighting unit? Is there a proper test procedure?

Your describing an EL (Electro Luminescent) panel. Inside the black
box shoud be a step-up transformer. Measure at the box for 12V on the
input.

Light reading
http://www.talkingelectronics.com/Pr...itELine02.html

Not so light reading.
http://www.wjjeeps.com/gauges.htm
(although it's for the instrument panel)

Since EL is darn near indestructable I'd be checking the fuses first.

--
DougW

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Billy Ray did pass the time by typing:
> Bill,
>
> In my '02 WJ 4 liter automatic I have no illumination on my transmission or
> transfer case shifters at night. I took the console apart a week or so ago
> and where I expected to find a couple burnt out bulbs there were no bulbs.
>
> There is, however, a thin plastic sheet with 2 electric terminals that go to
> a small "black box" that then plugs into a part of the wiring harness at the
> aft end of the shifter mechanism..
>
> Is that plastic sheet the lighting unit? Is there a proper test procedure?

Your describing an EL (Electro Luminescent) panel. Inside the black
box shoud be a step-up transformer. Measure at the box for 12V on the
input.

Light reading
http://www.talkingelectronics.com/Pr...itELine02.html

Not so light reading.
http://www.wjjeeps.com/gauges.htm
(although it's for the instrument panel)

Since EL is darn near indestructable I'd be checking the fuses first.

--
DougW

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Billy Ray did pass the time by typing:
> Bill,
>
> In my '02 WJ 4 liter automatic I have no illumination on my transmission or
> transfer case shifters at night. I took the console apart a week or so ago
> and where I expected to find a couple burnt out bulbs there were no bulbs.
>
> There is, however, a thin plastic sheet with 2 electric terminals that go to
> a small "black box" that then plugs into a part of the wiring harness at the
> aft end of the shifter mechanism..
>
> Is that plastic sheet the lighting unit? Is there a proper test procedure?

Your describing an EL (Electro Luminescent) panel. Inside the black
box shoud be a step-up transformer. Measure at the box for 12V on the
input.

Light reading
http://www.talkingelectronics.com/Pr...itELine02.html

Not so light reading.
http://www.wjjeeps.com/gauges.htm
(although it's for the instrument panel)

Since EL is darn near indestructable I'd be checking the fuses first.

--
DougW

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Doug,

Hopefully the fuse is the problem. Does anyone out there know which fuse
controls the illumination? I haven't noticed any other electrics
non-functional so I am assuming it is fused by itself.

-billy


"DougW" <post.replies@invalid.address> wrote in message
news:V%wue.20608$mC.13008@okepread07...
> Billy Ray did pass the time by typing:
>> Bill,
>>
>> In my '02 WJ 4 liter automatic I have no illumination on my transmission
>> or
>> transfer case shifters at night. I took the console apart a week or so
>> ago
>> and where I expected to find a couple burnt out bulbs there were no
>> bulbs.
>>
>> There is, however, a thin plastic sheet with 2 electric terminals that go
>> to
>> a small "black box" that then plugs into a part of the wiring harness at
>> the
>> aft end of the shifter mechanism..
>>
>> Is that plastic sheet the lighting unit? Is there a proper test
>> procedure?
>
> Your describing an EL (Electro Luminescent) panel. Inside the black
> box shoud be a step-up transformer. Measure at the box for 12V on the
> input.
>
> Light reading
> http://www.talkingelectronics.com/Pr...itELine02.html
>
> Not so light reading.
> http://www.wjjeeps.com/gauges.htm
> (although it's for the instrument panel)
>
> Since EL is darn near indestructable I'd be checking the fuses first.
>
> --
> DougW
>
>
>
>
>
>
>

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Doug,

Hopefully the fuse is the problem. Does anyone out there know which fuse
controls the illumination? I haven't noticed any other electrics
non-functional so I am assuming it is fused by itself.

-billy


"DougW" <post.replies@invalid.address> wrote in message
news:V%wue.20608$mC.13008@okepread07...
> Billy Ray did pass the time by typing:
>> Bill,
>>
>> In my '02 WJ 4 liter automatic I have no illumination on my transmission
>> or
>> transfer case shifters at night. I took the console apart a week or so
>> ago
>> and where I expected to find a couple burnt out bulbs there were no
>> bulbs.
>>
>> There is, however, a thin plastic sheet with 2 electric terminals that go
>> to
>> a small "black box" that then plugs into a part of the wiring harness at
>> the
>> aft end of the shifter mechanism..
>>
>> Is that plastic sheet the lighting unit? Is there a proper test
>> procedure?
>
> Your describing an EL (Electro Luminescent) panel. Inside the black
> box shoud be a step-up transformer. Measure at the box for 12V on the
> input.
>
> Light reading
> http://www.talkingelectronics.com/Pr...itELine02.html
>
> Not so light reading.
> http://www.wjjeeps.com/gauges.htm
> (although it's for the instrument panel)
>
> Since EL is darn near indestructable I'd be checking the fuses first.
>
> --
> DougW
>
>
>
>
>
>
>

Re: 2002 WJ 4 liter automatic (Grand Cherokee)
 

Doug,

Hopefully the fuse is the problem. Does anyone out there know which fuse
controls the illumination? I haven't noticed any other electrics
non-functional so I am assuming it is fused by itself.

-billy


"DougW" <post.replies@invalid.address> wrote in message
news:V%wue.20608$mC.13008@okepread07...
> Billy Ray did pass the time by typing:
>> Bill,
>>
>> In my '02 WJ 4 liter automatic I have no illumination on my transmission
>> or
>> transfer case shifters at night. I took the console apart a week or so
>> ago
>> and where I expected to find a couple burnt out bulbs there were no
>> bulbs.
>>
>> There is, however, a thin plastic sheet with 2 electric terminals that go
>> to
>> a small "black box" that then plugs into a part of the wiring harness at
>> the
>> aft end of the shifter mechanism..
>>
>> Is that plastic sheet the lighting unit? Is there a proper test
>> procedure?
>
> Your describing an EL (Electro Luminescent) panel. Inside the black
> box shoud be a step-up transformer. Measure at the box for 12V on the
> input.
>
> Light reading
> http://www.talkingelectronics.com/Pr...itELine02.html
>
> Not so light reading.
> http://www.wjjeeps.com/gauges.htm
> (although it's for the instrument panel)
>
> Since EL is darn near indestructable I'd be checking the fuses first.
>
> --
> DougW
>
>
>
>
>
>
>